| Major topic | Sections | Major results |
| Graph Coloring | 3.1-3.5 |
Vertex colorings Structure of k-chromatic graphs Coloring variations and generalizations |
| Graph Connectivity | 7.1-7.2 | Structure of k-connected graphs Structure of k-edge connected graphs Menger's Theorem |
| Topological Graph Theory | 8.1-8.4 |
Duality Eulers formula Kuratowski's theorem Wagner's theorem 6-, 5-, and 4-color theorems Surfaces of higher genus Heawood's formula |
| Graph Minors | 9.1-9.2 |
Hadwiger's conjecture Tree-width Robertson-Seymour Graph Minor Theorem |